International code of signals, 1969
Subtitle: suitable for transmission by all means of communication coming into operation 1 April 1969.
Contributors: Great Britain. Board of Trade.
Publisher: H.M. Stationery Off.
Published: 1969
Place of publication: London
Language: eng
Number of pages: 149
Subjects: Signals and signaling.; Merchant marine -- Signaling.
Notes: At head of title: Board of Trade.
First issued in 1857 by Gt. Brit. Board of Trade, under title: Commercial code of signals.